Precise Measurement of the b-Quark Fragmentation Function in Z0 Boson Decays

Abe, Kenji; Abe, Koya; Abe, T.; Adam, I.; Akimoto, H.; Aston, D.; Baird, K.; Baltay, C.; Band, H.; Barklow, T.; Bauer, J.; Bellodi, G.; Berger, R.; Blaylock, G.; Bogart, J.; Bower, G.; Brau, J.; Breidenbach, M.; Bugg, W.; Burke, D.; Burnett, T.; Burrows, P.; Calcaterra, A.; Cassell, R.; Chou, A.; Cohn, H.; Coller, J.; Convery, M.; Cook, V.; Cowan, R.; Crawford, G.; Damerell, C.; Daoudi, M.; Dasu, S.; de Groot, N.; de Sangro, R.; Dong, D.; Doser, M.; Dubois, R.; Erofeeva, I.; Eschenberg, V.; Etzion, E.; Fahey, S.; Falciai, D.; Fernandez, J.; Flood, K.; Frey, R.; Hart, E.; Hasuko, K.; Hertzbach, S.; Huffer, M.; Huynh, X.; Iwasaki, M.; Jackson, D.; Jacques, P.; Jaros, J.; Jiang, Z.; Johnson, A.; Johnson, J.; Kajikawa, R.; Kalelkar, M.; Kang, H.; Kofler, R.; Kroeger, R.; Langston, M.; Leith, D.; Lia, V.; Lin, C.; Mancinelli, G.; Manly, S.; Mantovani, G.; Markiewicz, T.; Maruyama, T.; McKemey, A.; Messner, R.; Moffeit, K.; Moore, T.; Morii, M.; Muller, D.; Murzin, V.; Narita, S.; Nauenberg, U.; Nesom, G.; Oishi, N.; Onoprienko, D.; Osborne, L.; Panvini, R.; Park, C.; Peruzzi, I.; Piccolo, M.; Piemontese, L.; Plano, R.; Prepost, R.; Prescott, C.; Ratcliff, B.; Reidy, J.; Reinertsen, P.; Rochester, L.; Rowson, P.; Russell, J.; Saxton, O.; Schalk, T.; Schumm, B.; Schwiening, J.; Serbo, V.; Shapiro, G.; Sinev, N.; Snyder, J.; Staengle, H.; Stahl, A.; Stamer, P.; Steiner, H.; Su, D.; Suekane, F.; Sugiyama, A.; Swartz, M.; Taylor, F.; Thom, J.; Usher, T.; Va'vra, J.; Verdier, R.; Wagner, D.; Waite, A.; Walston, S.; Wang, J.; Weidemann, A.; Weiss, E.; Whitaker, J.; Williams, S.; Willocq, S.; Wilson, R.; Wisniewski, W.; Wittlin, J.; Woods, M.; Wright, T.; Yamamoto, R.; Yashima, J.; Yellin, S.; Young, C.; Yuta, H.

Author(s)

Taylor, Frank E.; Dong, D. N.; Verdier, Robin; Cowan, Ray Franklin; Lia, V.; ... Show more

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Abstract

We have developed a new technique for inclusive reconstruction of the energy of B hadrons. The excellent efficiency and resolution of this technique allow us to make the most precise determination of the b-quark fragmentation function, using e[superscript +]e[superscript -]→Z[superscript 0] decays recorded in the SLAC Large Detector experiment. We compared our measurement with the predictions of a number of fragmentation models. We excluded several of these models and measured the average scaled energy of weakly decaying B hadrons to be 〈x[subscript B]〉 = 0.714±0.005(stat)±0.007(syst)±0.002 (model dependence).

Date issued

1999-12

URI

http://hdl.handle.net/1721.1/51372

Department

Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science

Journal

Physical Review Letters

Publisher

American Physical Society

Citation

Version: Final published version

ISSN

0031-9007

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